COMPONENT DESCRIPTION AND REPLACEMENTPOWER SUPPLY REMOVALI-E96-192-5A 6 - 9IIOIC423 Environmental CabinetTo remove the power supply from an IIOIC423 environmentalcabinet see Figure 6-7 and follow these steps:1. Follow the procedure for removing the IIOIC423 powerentry panel in this section.2. Remove the IIMKM02A circuit board. Do not lose the twononconductive washers for each standoff.3. To remove the cover from the top of the power entry panel,remove the nine screws shown in the figure and disconnect theDC distribution board connector.4. Mark and disconnect the wires between the power supplyand incoming AC.5. Remove the four screws holding the power supply to thecenter support wall of the power entry panel.NOTE: Check that the DC distribution board connector to the powersupply is aligned correctly when replacing the cover.Figure 6-7. Power Supply Removal for IIOIC423 Environmental Console3 SCREW SON COVER4 SCREW S ON CENTERSUPPORT WALLPOW ER SUPPLY3 SCREW SON COVERTP35370B3 SCREW SON COVERMKM BOARD4 SCREW SDC DISTRIBUTIONBOARDDC DISTRIBUTIONBOARD CONNECTORNOTE: DO NOT LOSE NON-CONDUCTIVEWASHERS ON MKM BOARD STANDOFFSFRONT VIEW
